[Interest] Working with QDateTime's timezone information

[Thiago Macieira]

On terça-feira, 12 de junho de 2012 16.26.08, Jan Kundrát wrote:
> I'd like to save them into a QDataStream for further retrieval and after
> loading them back, I'd love to show them both converted to the user's
> local time and also in the original format, including the original time
> zone information. I haven't found a way of doing this in Qt and would
> like to ask for help about that.

There isn't a way. The QTimezone feature has been pending for years.

> So, the questions:
> 
> - Is there a publicly available way of doing what I want to do, ie. am I
> missing something?

No.

> - Does Qt5 change anything in this matter?

Not yet. Even QCalendaringSystem is still missing.

> - Would I hit any obstacle in Qt 4.7+ if I decied to use QDateTime's
> *internal* functions setUtcOffset() and utcOffset()? I see that I
> shouldn't be using them, but in this case it seems to me that they
> publish information which is only hardly available in other ways, so
> it's *so* tempting to just have a look at them.

You're entirely on your own if you touch the internals. Behaviour might change 
in any release.

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center
     Intel Sweden AB - Registration Number: 556189-6027
     Knarrarnäsgatan 15, 164 40 Kista, Stockholm, Sweden
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